chore(lint): unify formatting on golangci-lint fmt (gofumpt), uncap issue reporting, fix gofumpt drift

- make format 现在与 code-check 使用同一格式化器（golangci-lint fmt），消除 goimports -local 与 gofumpt 的格式拉锯
- .golangci.yml 关闭默认 50/3 截断，完整上报所有问题（只增强不弱化）
- 全库 gofumpt 规范化（203 files, 纯格式无行为变更）

backend/plugins/domain/auth/audit.go

@@ -4,13 +4,12 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/logger"
 	"context"
 	"encoding/json"
 
 	"github.com/gin-gonic/gin"
-
-	"Wavelet/core/contracts"
-	"Wavelet/pkg/logger"
 )
 
 // LogForAudit 将登录鉴权审计日志写入 Logger

backend/plugins/domain/auth/auth_source_resolver.go

@@ -4,14 +4,13 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
 	"context"
 	"errors"
 	"fmt"
 	"strconv"
 	"strings"
 
-	"Wavelet/core/contracts"
-
 	"github.com/coreos/go-oidc/v3/oidc"
 	"golang.org/x/oauth2"
 )
@@ -128,7 +127,7 @@ func containsScope(scopes []string, scope string) bool {
 	return false
 }
 
-func buildOAuthUserInfo(ctx context.Context, source *AuthSource, code string, nonce string, redirectURL string) (*contracts.OAuthUserInfoDTO, error) {
+func buildOAuthUserInfo(ctx context.Context, source *AuthSource, code, nonce, redirectURL string) (*contracts.OAuthUserInfoDTO, error) {
 	authConfig, verifier, err := buildOAuthConfig(ctx, source, redirectURL)
 	if err != nil {
 		return nil, err

backend/plugins/domain/auth/cache.go

@@ -4,12 +4,11 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/cache/ram"
 	"context"
 	"fmt"
 	"time"
-
-	"Wavelet/core/contracts"
-	"Wavelet/pkg/cache/ram"
 )
 
 const (

backend/plugins/domain/auth/cache_test.go

@@ -4,14 +4,13 @@
 package auth_test
 
 import (
+	"Wavelet/core"
+	"Wavelet/core/contracts"
+	"Wavelet/plugins/domain/auth"
 	"context"
 	"encoding/json"
 	"testing"
 	"time"
-
-	"Wavelet/core"
-	"Wavelet/core/contracts"
-	"Wavelet/plugins/domain/auth"
 )
 
 type mockCacheService struct {

backend/plugins/domain/auth/handlers.go

@@ -4,6 +4,11 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/idgen"
+	"Wavelet/pkg/logger"
+	"Wavelet/pkg/response"
+	"Wavelet/pkg/util"
 	"context"
 	"errors"
 	"fmt"
@@ -12,18 +17,11 @@ import (
 	"strings"
 	"time"
 
-	"Wavelet/core/contracts"
-
 	"github.com/coreos/go-oidc/v3/oidc"
 	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 	"gorm.io/gorm"
-
-	"Wavelet/pkg/idgen"
-	"Wavelet/pkg/logger"
-	"Wavelet/pkg/response"
-	"Wavelet/pkg/util"
 )
 
 // GetLoginSources 获取可用登录源列表

backend/plugins/domain/auth/middleware.go

@@ -4,17 +4,16 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/response"
+	"Wavelet/pkg/trace"
+	"Wavelet/pkg/util"
 	"context"
 	"crypto/sha256"
 	"encoding/hex"
 	"errors"
 
 	"github.com/gin-gonic/gin"
-
-	"Wavelet/core/contracts"
-	"Wavelet/pkg/response"
-	"Wavelet/pkg/trace"
-	"Wavelet/pkg/util"
 )
 
 func hashToken(token string) string {

backend/plugins/domain/auth/models.go

@@ -4,14 +4,13 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
 	"encoding/json"
 	"errors"
 	"regexp"
 	"strconv"
 	"strings"
 	"time"
-
-	"Wavelet/core/contracts"
 )
 
 var authSourceNamePattern = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9_-]{0,79}$`)

backend/plugins/domain/auth/plugin.go

@@ -5,13 +5,12 @@
 package auth
 
 import (
-	"context"
-	"embed"
-	"reflect"
-
 	"Wavelet/core"
 	"Wavelet/core/contracts"
 	"Wavelet/core/extpoints"
+	"context"
+	"embed"
+	"reflect"
 )
 
 //go:embed migrations/*/*.sql

backend/plugins/domain/auth/plugin_test.go

@@ -4,6 +4,9 @@
 package auth_test
 
 import (
+	"Wavelet/core"
+	"Wavelet/core/contracts"
+	"Wavelet/plugins/domain/auth"
 	"context"
 	"crypto/sha256"
 	"encoding/hex"
@@ -15,10 +18,6 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"gorm.io/gorm"
-
-	"Wavelet/core"
-	"Wavelet/core/contracts"
-	"Wavelet/plugins/domain/auth"
 )
 
 type mockDBService struct {
@@ -84,6 +83,7 @@ func (m *mockProvider) Name() string { return "custom" }
 func (m *mockProvider) GetAuthURL(state string) string {
 	return "https://custom.com/auth?state=" + state
 }
+
 func (m *mockProvider) ExchangeCode(ctx context.Context, code string) (*contracts.OAuthUserInfoDTO, error) {
 	return &contracts.OAuthUserInfoDTO{
 		ID:       555,

backend/plugins/domain/auth/repository.go

@@ -4,13 +4,12 @@
 package auth
 
 import (
+	"Wavelet/core"
+	"Wavelet/core/contracts"
 	"context"
 	"sync"
 
 	"gorm.io/gorm"
-
-	"Wavelet/core"
-	"Wavelet/core/contracts"
 )
 
 var (
@@ -120,6 +119,6 @@ func ListExternalAccountsByUserID(ctx context.Context, userID uint64) ([]Externa
 }
 
 // UnbindExternalAccount 解绑外部账号
-func UnbindExternalAccount(ctx context.Context, id uint64, userID uint64) error {
+func UnbindExternalAccount(ctx context.Context, id, userID uint64) error {
 	return getDB(ctx).Where("id = ? AND user_id = ?", id, userID).Delete(&ExternalAccount{}).Error
 }

backend/plugins/domain/auth/service.go

@@ -4,14 +4,13 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/util"
 	"context"
 	"errors"
 	"sync"
 
 	"github.com/gin-gonic/gin"
-
-	"Wavelet/core/contracts"
-	"Wavelet/pkg/util"
 )
 
 type authServiceImpl struct{}

backend/plugins/domain/auth/session.go

@@ -4,6 +4,8 @@
 package auth
 
 import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/config"
 	"context"
 	"crypto/sha256"
 	"encoding/hex"
@@ -15,9 +17,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 	gsessions "github.com/gorilla/sessions"
-
-	"Wavelet/core/contracts"
-	"Wavelet/pkg/config"
 )
 
 // GetSessionOptions 根据配置构建 Session 选项